16. The main theme of the passage is ____.

　 A. the access to knowledge in university 　B. the function of universities

　 C. the role of imagination in our lives

　 D. the relationship between imagination and experience

15. What is the practical value of Ceding’s research?

A. It helps analyze the quality of water in different regions.

　 B. It helps the police determine where a crime is committed.

　 C. It helps the police narrow down possibilities in detective work.

　 D. It helps identify the drinking habits of the person under investigation.

　　　　　　　　　　　　　　　　　 　D

The justification for a university is that it preserves the connection between knowledge and the zest of life, by uniting the young and the old in the imaginative consideration of learning. The university imparts information, but it imparts it imaginatively. At least, this is the function which it should perform for society. A university which fails in this respect has no reason for existence. This atmosphere of excitement, arising from imaginative consideration, transforms knowledge. A fact is no longer a burden on the memory, it is energizing as the poet of our dreams and as the architect of our purposes.

Imagination is not to be divorced from the facts: it is a way of illuminating the facts. It works by eliciting the general principles which apply to the facts, as they exist, and then by an intellectual survey of alternative possibilities which are consistent with those principles. It enables men to construct an intellectual vision of a new world, and it preserves the zest of life by the suggestion of satisfying purposes.

Youth is imaginative, and if the imagination be strengthened by discipline, this energy of imagination can in great measure be preserved through life. The tragedy of the world is that those who are imaginative have but slight experience, and those who are experienced have feeble imagination. Fools act on imagination without knowledge; pedants(学究)act on knowledge without imagination. The task of university is to weld together imagination and experience.

14. What did Ceding’s team produce in their research?

A. A map showing the regional differences of tap water.

　 B. A collection of hair samples from various barber shops.

　 C. A method to measure the amount of water in human hair.

　 D. A chart illustrating the movement of the rain system.

13.What is said about the rainfall in America’s West?

A. There is much more rainfall in California than in Utah.

B. The water it delivers becomes lighter when it moves inland.

C. Its chemical composition is less stable than in other areas.

D. It gathers more light isotopes as it moves eastward.

12. What does the author mean by “You’re what you eat and drink” (Line 1, Para. 3)?

A. Food and drink affect one’s personality development.

B. Food and drink preferences vary with individuals.

C. Food and drink leave traces in one’s body tissues.

D. Food and drink are indispensable to one’s existence.

11. What is the scientists’ new discovery?

A. One’s hair growth has to do with the amount of water they drink.

B. A person’s hair may reveal where they have lived.

C. Hair analysis accurately identifies criminal suspects.

D. The chemical composition of hair varies from person to person.

10. What does the author think of green fashion?

A. Green products will soon go mainstream.　 B. It has a very promising future.

C. Consumers have the final say.　　　 D. It will appeal more to young people.

C

Scientists have devised a way to determine roughly where a person has lived using a strand (缕) of hair, a technique that could help track the movements of criminal suspects or unidentified murder victims. The method relies on measuring how chemical variations in drinking water show up in people’s hair.

“You’re what you eat and drink, and that’s recorded in your hair,” said Thure Ceding, a geologist at the University of Utah.

While U.S. diet is relatively identical, water supplies vary. The differences result from weather patterns. The chemical composition of rainfall changes slightly as rain clouds move.

Most hydrogen and oxygen atoms in water are stable, but traces of both elements are also present as heavier isotopes (同位素). The heaviest rain falls first. As a result, storms that form over the Pacific deliver heavier water to California than to Utah.

Similar patterns exist throughout the U.S. By measuring the proportion of heavier hydrogen and oxygen isotopes along a strand of hair, scientists can construct a geographic timeline. Each inch of hair corresponds to about two months.

Ceding’s team collected tap water samples from 600 cities and constructed a map of the regional differences. They checked the accuracy of the map by testing 200 hair samples collected from 65 barber shops. They were able to accurately place the hair samples in broad regions roughly corresponding to the movement of rain systems.

“It’s not good for pinpointing (精确定位),” Ceding said. “It’s good for eliminating many possibilities.” Todd Park, a local detective, said the method has helped him learn more about an unidentified woman whose skeleton was found near Great Salt Lake. The woman was 5 feet tall. Police recovered 26 bones, a T-shirt and several strands of hair. When Park heard about the research, he gave the hair samples to the researchers. Chemical testing showed that over the two years before her death, she moved about every two months. She stayed in the Northwest, although the test could not be more specific than somewhere between eastern Oregon and western Wyoming. “It’s still a substantial area,” Park said. “But it narrows its way down for me.”

9. What is Natalie Hormilla’s attitude toward eco-fashion?

A. She doesn’t seem to care about it.　　 B. She doesn’t think it is sustainable.

C. She is doubtful of its practical value.　 D. She is very much opposed to the idea.

8. We learn from the Paragraph that designers who undertake green fashion ____.

A. can attend various trade shows free

B. are readily recognized by the fashion world

C. can buy organic cotton at favorable prices

D. are gaining more and more support

7. According to Scott Hahn, one big challenge to designers who will go organic is that ____.

A. much more time is needed to finish a dress using sustainable materials

B. they have to create new brands for clothes made of organic materials

C. customers have difficulty telling organic from non-organic materials

D. quality organic replacements for synthetics are not readily available